712421625 has 32 divisors (see below), whose sum is σ = 1247875200. Its totient is φ = 359956800.

The previous prime is 712421621. The next prime is 712421639. The reversal of 712421625 is 526124217.

It is not a de Polignac number, because 712421625 - 2² = 712421621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 712421592 and 712421601.

It is not an unprimeable number, because it can be changed into a prime (712421621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42870 + ... + 57119.

It is an arithmetic number, because the mean of its divisors is an integer number (38996100).

Almost surely, 2^712421625 is an apocalyptic number.

712421625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

712421625 is a deficient number, since it is larger than the sum of its proper divisors (535453575).

712421625 is a wasteful number, since it uses less digits than its factorization.

712421625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100026 (or 100016 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 712421625 is about 26691.2274914437. The cubic root of 712421625 is about 893.1252435267.

The spelling of 712421625 in words is "seven hundred twelve million, four hundred twenty-one thousand, six hundred twenty-five".